Finding the Fourth Proportional to 226,767.99, 312,874.90 and 146,241.75
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Solution
The fourth proportional to 226,767.99, 312,874.90 and 146,241.75 is: 201,771.74
Step by Step Solution
- Step 1: Write the proportion equation
226,767.99 : 312,874.90 = 146,241.75 : x - Step 2: Convert to fraction form
226,767.99/312,874.90 = 146,241.75/x - Step 3: Cross multiply
226,767.99x = 312,874.90 × 146,241.75 - Step 4: Simplify right side
226,767.99x = 45,755,372,907.08 - Step 5: Solve for x
x = 45,755,372,907.08/226,767.99 - Step 6: Final answer
x = 201,771.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.